<%-- page???????JSP????????????Java?contentType?????--%>
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<!-- this is jsp comment -->
<%-- ??name --%>
<%!String name; %>
<%-- JSP??? --%>
request uri is <%=request.getRequestURI() %>
<br/>
<%-- JSP???????Java?? --%>
<%
 name = "abc";
out.println("name is " + name);

%>
</body>
</html>